# SAR vs SAR21

The clearest difference is update cadence: SAR21 at weekly against SAR's every 2 months. SAR's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAR ships an update every 2 months, SAR21 weekly. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | SAR | SAR21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 26 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tien Sy NGUYEN](https://appshunter.io/developer/1745341653) | [Justin Calamia](https://appshunter.io/developer/1819822028) |

## What reviewers say

### SAR

[App page](https://appshunter.io/ios/app/sar-tools/id6502403516)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SAR21

[App page](https://appshunter.io/ios/app/sar21/id6747093593)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SAR free?

SAR is free to download, with no in-app purchases.

### Is SAR21 free?

SAR21 is free to download, with no in-app purchases.

### Do SAR or SAR21 have ads?

Neither SAR nor SAR21 shows ads.

### Which is updated more often, SAR or SAR21?

SAR ships an update every 2 months, and SAR21 weekly. Most recently, SAR was updated on September 14, 2026 and SAR21 on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*